PDF APS3605 Data sheet ( Hoja de datos )

Número de pieza	APS3605
Descripción	1 GHz Three-way Active Power Splitter
Fabricantes	ANADIGICS
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No Preview Available ! APS3605 1 GHz Three-way Active Power Splitter PRELIMINARY DATA SHEET - Rev 1.4 FEATURES • Single Input, Triple Output Design • Wideband Operation Beyond 1 GHz • Supports both Analog TV and Digital TV Lineups • Nominal 3 dB Gain • 5.5 dB Typical Noise Figure • Single +5 V Supply, with Operation Down to +3.3 V • High Linearity, Low Distortion • Current Adjust Pin for optimizing distortion performance • Single-Ended 75 Ohm Inputs/Outputs • RoHS Compliant Package APS3605 APPLICATIONS • Analog/Digital and All-Digital CATV Set-Top Boxes with Multiple Tuners • Multiple-Tuner TVs, TV Tuner Cards and Broadband Media Centers S26 Package 12 Pin QFN 3 mm x 3 mm x 1 mm PRODUCT DESCRIPTION This APS3605 active splitter from ANADIGICS accepts a broadband RF input from 50 MHz to 1 GHz and splits the signal to provide three broadband RF outputs with minimal degradation of quality. The single-package surface mount device amplifies the input using highly linear, low noise amplification stages, and couples the wwawm.DplaiftiaeSdheseigt4nUa.lctoomthree separate output paths that each can drive either analog video, digital video or digital data tuners. The overall linearity of each path is maintained across the entire operating frequency range, ensuring low distortion effects on each output signal. Requiring a single voltage supply of +5 V, and operable down to +3.3 V, the active splitter is manufactured using ANADIGICS’ highly reliable GaAs MESFET process. The small surface mount QFN packaging makes this device ideal for use in today’s set-top boxes, televisions and video tuner cards requiring multiple-tuner solutions. RF Output 1 RF Input Current Adjust RF Output 2 RF Output 3 GND Figure 1: Functional Block Diagram 07/2008 1 page PERFORMANCE DATA Figure 3: Gain (S21) vs. Frequency (TAMB = +25 °C, VCC = +5 V) 5.0 4.5 Analog TV (Icc = 135 mA) Digital TV (Icc = 100 mA) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 100 200 300 400 500 600 700 800 900 1000 1100 Frequency (MHz) Figure 5: Reverse Isolation (S12) vs. Frequency (TAMB = +25 °C, VCC = +5 V) 0 -5 -10 -15 -20 -25 -30 -35 -40 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 Frequency (MHz) www.DataFSigheuerte4U7.:cNomoise Figure vs. Frequency (TAMB = +25 °C, VCC = +5 V) 7.0 6.5 6.0 5.5 5.0 4.5 4.0 0 100 200 300 400 500 600 700 800 900 1000 1100 Frequency (MHz) APS3605 Figure 4: Input Return Loss (S11) vs. Frequency (TAMB = +25 °C, VCC = +5 V) 0 -5 -10 -15 -20 -25 -30 -35 -40 0 100 200 300 400 500 600 700 800 900 1000 1100 Frequency (MHz) Figure 6: Output Return Loss (S22) vs. Frequency (TAMB = +25 °C, VCC = +5 V) 0 -5 -10 -15 -20 -25 -30 -35 -40 0 100 200 300 400 500 600 700 800 900 1000 1100 Frequency (MHz) Figure 8: Port-to-Port Isolation vs. Frequency (TAMB = +25 °C, VCC = +5 V) 0 RFOUT1 to RFOUT3 -5 RFOUT1 to RFOUT2 RFOUT2 to RFOUT3 -10 -15 -20 -25 -30 -35 -40 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 Frequency (MHz) PRELIMINARY DATA SHEET - Rev 1.4 07/2008 5 5 Page NOTES APS3605 www.DataSheet4U.com PRELIMINARY DATA SHEET - Rev 1.4 07/2008 11 11 Page

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PDF Descargar	[ Datasheet APS3605.PDF ]

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